Grinder.



' PATENTED APR. 2, 1907.

W. P. BARNES.

GRINDER.

APPLIOATION FILED APR. 3, 1906.

No! 848,800. PATEVNTED APR. 2, 1907.

W. F. BARNES.

GRINDER.

APPLIGATION FILED APR.3,1906.

3 SHEETS-SHEET 2.

THE NORRIS PETERS ca wAsl-rmm'mv. n c.

PATENTED APR. 2, 1907.

W. F, BARNES.

- GRINDER. APPLICATION FILED APR. 3,1906,

3 $HEET3-SHEET 3.

n1: NDRRIS PETERS co., wnslylNm-cm, n. c.

UNITED STATES WILLIAM F. BARNES, OF ROCKFORD,

PATENT OFFICE.

ILLINOIS, ASSIGNOR TO WV. F. & JOHN NOIS.

GRINDER.

Specification of Letters Patent.

Patented April 2, 1907.

Application filed April 1906- Serial 309,704.

T0 0Z7, 1071 0772, it nod/y concern:

Be it known that I, VVILLIAM F. BARNES, a citizen of the United States, residing at Rockford, in the county of WVinnebago and State of Illinois, have invented certain new and useful Improvements in Grinders, of which the following is a specification.

The object of this invention is to construct a grinding-wheel support provided with two reservoirs, one located above the center of the grinding-wheel and the other at the lower portion of the grinding-wheel in order that the rotations of the grinding-wheel will transfer water from the lower reservoir into the upper reservoir, and an outlet from the upper reservoir located to deliver Water onto the grinding-wheel.

In the accompanying drawings, Figure 1 is a side elevation. Fig. 2 is a horizontal sec tion on dotted line a a, Fig. 1. Fig. 3 is a vertical lengthwise section on dotted line b b, Fig. 5. Fig. 4 is a plan view with the cap portion removed. Fig. 5 is a front elevation. Fig. 6 is a vertical transverse section on dotted line 0 c, Fig. 1. Fig. 7 is a vertical section on dotted line d, Fig. 5. Fig. 8 is an isometrical representation of the valve for regulating the valve-discharge. Fig. 9 is a transverse section of the base on dotted line 0 c, Fig. 2.

The base portion comprises the center semicircular section 1 of a diameter and width to accommodate a grinding-wheel, and

in this instance is provided with a foot 2, by

which it may be connected to a suitable standard or support. From the front portion of this semicircular section extends a shelf 3, and from the rear portion of the semicircular section extends a support 4 for the intermediate section of the structure. This semicircular section is provided with laterally-extending wings 5, which support a shaft 6, which in turn supports a grinding-wheel 7. This shaft 6 is rotated by a belt connection with the pulley 8. Boxes 9 are placed over sections of the shaft 6, which hold it in working position. The shelf 3 supports the usual tool-rest 10, which is adjusted to meet the wear of the grinding-wheel.

The intermediate section 11 has its lower edge provided with outwardly extending flanges 12, which rest on the shelf 4, and plates 13, connected to the shelf 4, overlap the flanges 12, and set-bolts 14 clamp the plates against the flanges in a manner to con- 1 nect the intermediate section to its support, also to permit the intermediate section to be adjusted bodily in the lengthwise direction of the support. This intermediate section is provided with portions overlapping the sides of the grinding-wheel 7, also an end portion overlapping the rear edge of the grindingwheel.

The upper portion ofthe intermediate section terminates in a reservoir composed of the bottom 15, outside wall 16, and inner wall 17. The forward end of this reservoir has an outlet-opening 18, which is located over the front edge of the grinding-wheel. This outlet-opening is rectangular in form that is, in the form of a slit which extends across the face of the grinding-wheel. of the outlet-opening is formed a circular reces's 19, and which is located parallel with the outlet-opening. Within this circular recess is located a water-flow regulator, which has its ends 20 of cylindrical form and its center portion 21 of semicircular form. The semicircular section of the regulator is located to coincide with the outlet-opening 18. By means of this regulator the outlet-opening may be entirely closed, made full open or partially open, and it is turned by the crossbar 22.

Over the open upper end of the reservoir of the intermediate portion is located a cap portion 23, which has a flange 24 depending from its lower edge, which extends within the reservoir-section. This cap portion is crowning or hi hest at its center and in the direction of its length, as shown in cross-section at Fig. 6. As the grinding-wheel wears wardly in order to keep the outlet-opening 18 in the same position relatively to the i wheel, and the tool-rest is also adjusted toward the wheel.

In use the cap portion is removed and water is placed in the reservoir and the cap portion is replaced. In general usage the grinding-wheel is constantly rotated. By turning the regulator water will run from the reservoir onto the front edge of the grinding-wheel and run into the semicircular portion 1 of the base, and when the water in the semicircular portion reaches the lower edge of the grinding-wheel it will be picked up by the wheel and thrown against the cap portion,

Back

the intermediate portion is adjusted rear-- run down the sides of the cap portion, and be received in the reservoirthat is, as long as the regulator permits water to be discharged onto the grinding-wheel a continuous transter of water from the semicircular portion to the reservoir is taking place and when the regulator is turned to close the outlet-open ing the reservoir will hold all the water the grinding-wheel can take up. Very little water is required when grindingthat is, as long as the wheel is kept moist when in use the same benefits are derived as if more water was used. Therefore the grindingwheel cannot take up more water than is allowed to flow from the reservoir onto it, and this, amount can be regulated.

I claim as my invention 1. The combination of a reservoir-base, a grinding-wheel located within the base, a reservoir located above the base, and a cover for the upper reservoir, the upper reservoir having an opening to permit Water to be discharged onto the grinding-Wheel and made bodily movable to present the opening over the wheel as the wheel wears.

2. The combination of a reservoir-base, a grinding-wheel located within the base, a reservoir surrounding the upper portion of the wheel, an intermediate portion connecting the two reservoirs and a crowned cap for the upper reservoir, the upper reservoir provided with an opening to permit water to be discharged onto the wheel.

3. The combination of a reservoir-base, a reservoir above the base, a crowning-cap for the upper reservoir, a grinding-wheel adapted to transfer water from the lower reservoir into the upper reservoir, the upper reservoir provided with an opening to permit Water to be discharged onto the wheel, and a regulator for the discharge-opening.

WILLIAM F. BAR NES. 

